Cake "Precious pebbles"

Take 4 packs ready jellies of different colors. In this case, jellies, kiwi, strawberries, orange and lemon.
Prepare the Jell-o by reducing the amount of water specified on the packet, about a third (if specified 2 cups, then pour in 1.5). Pour it on different vessels and leave for the night to sustinut in the fridge.
Can of pineapple slices to divide the pineapple and juice. Juice bring to a boil and dissolve in it a pack of 15 grams of quick-dissolving gelatin.
Pint drinking yoghurt (in my case it's a peach yogurt) low-fat mix with the dissolved gelatin and pineapple slices.
Jelly cut into large cubes of arbitrary size and vykladyvaem in yogurt. All stir and put into molds.
Overnight in the fridge to harden...
To form dipped for a second in boiling water and turn out on a dish...